How does a solar panel work?
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Solar Panels are widely spread these days...Its an invetion that first used in space missions. Solar panels convert solar energy to electrical energy.The Earth intercepts a lot of solar power: 173,000 terawatts !!!!! . That's 10,000 times more power than the planent's population uses. So is it possible that one day the world could be completely reliant on solar energy? Watch this amazing video.....